Some ideas on holding a project while polishing it:
You can bond a strip of rubber or leather to vice grip plyers using
contact cement. It might help if you grind off the teeth of the
jaws. The amount of pressure the jaws of the plyers apply to the
work piece can be adjusted. I put a glove on my left hand so that I
can handle the hot piece when I remove it from the jaws of the
plyers. You can also dunk the piece in water while being held with
the plyers.The plyers may not work on all projects but can help on
I have taken a 6 inch piece of 1x2 wood and tapered one end and cut
a slot through the middle of it. Slide the tapered end into a ring
to hold the ring while polishing it.
The worst part of polishing is removing fire scale, so don’t get it.
Use an anti-fire scale flux on all your project before each solder
step. If you cast I will send you a copy of my anti-fire scale
vacuum casting technique. No charge. We have to put an end to that
dreaded fire scale.